<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>原生扫雷</title>
    <link rel="stylesheet" href="demo.css">
</head>
<body>
    <div class="wrapper">
        <div class="btn" id="btn"></div>
        <div class="box" id="box"></div>
        <div class="flagBox" id="flagBox">
            当前剩余雷数：
            <span id="score">10</span>
        </div>
        <div class="alertBox" id="alertBox">
            <div class="alertImg" id="alertImg">
                <div class="close" id="close"></div>
            </div>
        </div>
    </div>




    <script src="demo.js"></script>
</body>
</html>